Imagining a future without lights and stop signs.
With a wiki to connect citizens, political leaders, urban experts, companies, and organizations, TED tees up the goal of improving the 21st century city.
With his signs removed by the city, we checked in with the project's founder on his next move.
The longtime resident, the dog-poop vigilante and 18 other archetypes.
Boston hopes its driver-operated Street Bump app will grow sensitive enough to detect cracks in the pavement before they become gravel-spewing craters.
The makers of the Economist Intelligence Unit's oft-criticized Liveable Cities index turn their efforts into a contest.
Divers used a robotic optics system to create a photorealistic reconstruction of Pavlopetri, an ancient trading post off the coast of Greece.
Twitter reports of coughing, upset stomachs and, er, "man flu" all pop up on SickWeather.com's disease map.
Rocket scientist Tim Pickens on his city's culture of scientific discovery.
The cramped city-state is only years away from running out of landfill space.
Plus a look back at some of our favorite recent tactical urbanism installations.
The majority of U.S. states have "mediocre to awful" standards in science, according to a brutal new scorecard.
Your cell phone may provide the insight planners need to develop more efficient roads.
A Florida town tests a monitoring system that makes sure its residents are recycling properly.
As Chicago readies to host the G8 and NATO summits, its police force gets ready for what could be a historic gathering of protesters.
They save lots of money - and that's just their most obvious benefit.
A short history of snow removal in America's cities.
Boston is wooing venture capital away from its suburbs.
Energy-efficient homes are cheaper in the long run, and that's what buyers want